.su

.su
Introduced	19 September 1990
TLD type	Country code top-level domain
Status	Active
Registry	Russian Institute for Public Networks (РосНИИРОС)
Sponsor	Russian Institute for Public Networks (РосНИИРОС)
Intended use	Entities connected with the Soviet Union
Actual use	Mostly used by entities connected with post-Soviet states
Registered domains	105,884 (7 December 2021)
Registration restrictions	Passport required
Structure	Registrations are permitted directly at the second level
Documents	Documents
Dispute policies	None
DNSSEC	yes
Registry website	ripn.su/en/

.su is an Internet country code top-level domain (ccTLD) that was designated for the Union of Soviet Socialist Republics (USSR) on 19 September 1990.^[2] Even though the Soviet Union itself was dissolved 15 months later, the .su top-level domain remains in use to the present day. It is administered by the Russian Institute for Public Networks (RIPN, or RosNIIROS in Russian transcription).^[3]

The .su ccTLD is known for usage by cybercriminals, hackers and scammers.^[4]^[5]^[6]

^ "Общее число доменов | Домены России". statdom.ru. Retrieved 21 July 2020.
^ "IANA — .su Domain Delegation Data". iana.org. Retrieved 12 September 2019.
^ Cite error: The named reference :6 was invoked but never defined (see the help page).
^ Cite error: The named reference :0 was invoked but never defined (see the help page).
^ Patel, Neel V. (December 2015). "The Bizarre Afterlife of .su, the Domain Name and Last Bastion of the USSR". Inverse. Retrieved 21 August 2022. the .su domain has attracted a lot of attention from cybercriminals looking for a safe haven to conduct operations
^ Cite error: The named reference :2 was invoked but never defined (see the help page).